Anritsu MP1777A Spezifikationen PDF herunterladen (Seite 14)

DIGITAL LINK MEASURING INSTRUMENTS

142 For product ordering information, see pages 4 –10

Pulse pattern generator clock interface screen

10 MHz (V: 800 mV/div, H: 2 ns/div)

Clock delay: –5 to +5 ns/1 ns steps (averaged waveform)

Variable delay characteristics

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Evaluating error correction function using burst error insertion

In addition to having the earlier cyclic and single error-mode inser-

tion functions, the MP1630B has burst-mode insertion functions,

making it ideal for evaluating the efficiency of error-correction codes

used by each type of communication protocol. In particular, it is es-

pecially effective for testing digital transmission methods used by

broadcast satellites and mobile phones, etc.

•

Evaluating data waveform quality using eye margin measurement

The MP1630B eye margin measurement function can automatically

measure the threshold voltage and phase range below the specified

error rate. It has two measurement modes: the Margin mode and the

Diagram mode. These modes can be selected according to the ap-

plication.

Margin mode

Diagram mode

•

One-key/one-parameter operation using customized screens

Measurement of general multi-channel data requires complex oper-

ations to manage the large number of measurement parameters. To

make measurement settings simpler, the MP1630B has convenient

customized screens based on the one-key/one parameter operation

used previously in the Anritsu BERTS. It also has a Grouping func-

tion which groups together the same measurement items used for

each channel. Common settings (all or pattern-only) are saved as

files on the large internal hard disk.

Customized screen

•

Powerful pattern editor function

The MP1630B pulse pattern generator and error detector PRGM

patterns can be edited easily using the keyboard, mouse, or cursor

keys. There are three editing modes matching the various applica-

tions: Time, State, and Dump. The Time mode puts time on the hor-

izontal axis and displays the pattern for each channel as a horizon-

tal line. The State mode displays the data of channel 1 as the MSB

and parallel 16 bits (corrected 1 bit from each channel at a time) as

one data item. The Dump mode displays the pattern for the specified

channel as a memory dump image using either binary or hexadeci-

mal code.

Pattern editor (time mode, input waveform)

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